Step-by-step explanation:
I'm going to assume you meant to write
in the equation as +1 - 1 wouldn't make much sense since they would just cancel out.
a. 
b. 
c. 
Mai made 12 successful free throws.
Step-by-step explanation:
Given,
Free throws made by Mai = 49 free throw
Successful throws = 25%
Number of successful throws = 25% of free throws
Number of successful throws = 
Number of successful throws = 
Rounding off to nearest whole number;
Number of successful throws = 12
Mai made 12 successful free throws.
Keywords: percentage, division
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Answer: 2
Step-by-step explanation: 60 divided by five is 12. you divide that by your answer from 12 by 2, which is 6. 12 divided by 6 is two.
Can you please clarify what you want to ask? Thanks!